Question 41. Four polyester and four cotton carded slivers of the same count and mass CV of 4.16 % are drawn together
keeping a draft of 8 on a breaker drawframe. Two slivers from breaker drawframe are further drawn along
with the four cotton carded slivers keeping a draft of 6 on a finisher drawframe.The mass CV (%) of the final sliver is approximately

Question 42. A fabric is woven from 38 tex yarns of 0.65 packing coefficient and 1.54 g/cm3 fibre density. The fabric
has 30 ends per cm and 25 picks per cm. Assume that warp is jammed. The weft crimp (%) is approximately

Question 43. A fabric is woven from 38 tex yarns of 0.65 packing coefficient and 1.54 g/cm3 fibre density. The fabric
has 30 ends per cm and 25 picks per cm. Assume that warp is jammed.The thickness of the above fabric (mm) is approximately

Question 44. A cotton fibre of 180 millitex has a density of 1.5 g/cm3 and an average perimeter of 40 μm.The average degree of thickening of cell wall is approximately

Question 45. A cotton fibre of 180 millitex has a density of 1.5 g/cm3 and an average perimeter of 40 μm. The average area of the cell wall (μm2) is

Question 46. The thermal conductivity of a nonwoven fabric is given by Î» = 0.03 + 0.00005ρ + 0.15/ρ where λ is the thermal conductivity of the fabric in W/(mâ‹…K), ρ is the bulk density of the fabric in kg/m3, and ρ∈[10,200].The minimum value of thermal conductivity, in mW/(mâ‹…K), is approximately

Question 47. The thermal conductivity of a nonwoven fabric is given by Î» = 0.03 + 0.00005ρ + 0.15/ρ where λ is the thermal conductivity of the fabric in W/(mâ‹…K), ρ is the bulk density of the fabric in kg/m3, and ρ∈[10,200].Thermal conductivity is minimum when the bulk density is approximately

Question 48. The spinning system that does not generate false twist during spinning is

Question 49. An eccentric top roller in a drafting system leads to

Question 50. Most of the seed coat particles are removed in